# 爬取网页的通用代码框架

import requests

# 以下是框架
def getHTMLText(url):
    try: 
        r = requests.get(url, timeout = 30)
        r.raise_for_status() # 如果状态不是200,引发HTTPError异常
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return "产生异常"
# 以上是框架

if __name__ == "__main__":
    url = "http://www.baidu.com"
    print(getHTMLText(url))    